Most butterfly caterpillars are very particular, ... Butterfly eggs can be round, ovoid, or shaped like little grains of rice. They can be red, yellow, green, white, cream, and more.

Caterpillars that glow in the dark under UV light and morph into the frosted elfin butterfly were placed in Ichetucknee Springs State Park in FL, ... green caterpillars onto its host plant, ...

Biologists deposited caterpillars of the rare frosted elfin butterfly on its host plant, the sundial lupine, in north Florida. Photo from the Florida Fish and Wildlife Conservation Commission ...

Over 250 frosted elfin butterfly (Callophrys irus) caterpillars were released into their historic North Florida habitat as part of a conservation effort, following successful captive rearing.

Biologists deposited caterpillars of the rare frosted elfin butterfly on its host plant, the sundial lupine, in north Florida. Photo from the Florida Fish and Wildlife Conservation Commission ...

Biologists deposited caterpillars of the rare frosted elfin butterfly on its host plant, the sundial lupine, in north Florida. Photo from the Florida Fish and Wildlife Conservation Commission ...